| Environmental Law and Policy Center |
Against |
Jan 27, 2026 |
| Humane World for Animals |
Against |
Feb 18, 2026 |
| Iowa Bowhunters Association |
Against |
Jan 25, 2026 |
| Iowa Chapter of Sierra Club |
Against |
Jan 17, 2026 |
| Iowa Conservation Alliance |
Against |
Feb 12, 2026 |
| Iowa Environmental Council |
Against |
Jan 22, 2026 |
| Iowa Trappers Association |
Against |
Feb 12, 2026 |
| The Nature Conservancy |
Against |
Feb 13, 2026 |
| Americans For Prosperity |
For |
Jan 21, 2026 |
| Conservation Districts of Iowa |
Undecided |
Feb 11, 2026 |
| Des Moines Water Works |
Undecided |
Feb 10, 2026 |
| Iowa Department of Agriculture & Land Stewardship |
Undecided |
Feb 11, 2026 |
| Iowa Farmers Union |
Undecided |
Jan 16, 2026 |
| Iowa Institute for Cooperatives |
Undecided |
Jan 20, 2026 |
| Iowa Rural Water Association |
Undecided |
Jan 23, 2026 |
| Iowa Sportsmans Club |
Undecided |
Jan 15, 2026 |
| Izaak Walton League - Iowa Division |
Undecided |
Feb 6, 2026 |
| Rathbun Regional Water Association |
Undecided |
Jan 23, 2026 |